Reliable multicast transport and power scheduling for MBMS delivery over 3G mobile satellite systems

Mudugamuwa, U.; Karaliopoulos, Merkourios; Tafazolli, Rahim; Evans, B.G.

doi:10.1109/vetecs.2004.1391441

Cited by 6 publications

(3 citation statements)

References 4 publications

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“…A part of the energy generated is used to supply the transmission system of the satellite. Accordingly, satellite communications are power-constrained and a large effort has been devoted to the design of appropriate power management solutions, e.g., [8], [9], [10], [11], [12].…”

Section: Introductionmentioning

confidence: 99%

Increasing Capacity Through the Use of the Timing Channel in Power-Constrained Satellite Networks

Morabito

2007

IEEE INFOCOM 2007 - 26th IEEE International Conference on Computer Communications

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The timing channel is the logical communication link established between a sender and a receiver in which the information flowing is encoded in the timing between events. Accordingly, information can be transferred by means of the transmitted packets, the time interval between such transmissions, and the size of the packets. In wired networks approaches using the timing channel can lead to a small increase in the overall communication capacity. In wireless networks with strict power constraints, instead, these can lead to significant performance improvements. In this paper attention is focused on powerconstrained satellite networks where there is a large amount of bandwidth which cannot be used because the power required for operations executed on-board the satellite is much higher than what is available. In such scenarios the use of the timing channel can significantly improve the overall capacity of the system. In this paper a methodology is introduced which allows exploitation of the timing channel in power-constrained satellite networks and an analytical framework is derived for its assessment. Numerical results show that the proposed approach can achieve much higher capacity than what can be theoretically achieved without using the timing channel.

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Section: Introductionmentioning

confidence: 99%

Increasing Capacity Through the Use of the Timing Channel in Power-Constrained Satellite Networks

Morabito

2007

IEEE INFOCOM 2007 - 26th IEEE International Conference on Computer Communications

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“…In the following, P ref TX is the reference transmit power for the satellite transmitter and this value is obtained by using Equations (1) and (2) and also by considering forward the link budget given in Reference [12]. The required E b =N 0 requirement (10 À2 target BLER) is 2:6 dB for TTI 80 ms when using 1/3 code rate Turbo coding scheme.…”

Section: Simulation Scenario Procedures and Default Valuesmentioning

confidence: 99%

Impact of packet‐level FEC and existing link level reliability mechanisms to deliver MBMS content over WCDMA mobile satellite systems

Mudugamuwa

Evans

2006

Satell Commun Network

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SUMMARYThe inherent broadcast capabilities of satellites make them an attractive solution for the delivery of multimedia services to mobile users in third generation (3G) networks. Reliable delivery of content over a hostile land-mobile satellite channel is one of the key technical system requirements that can be addressed at different protocol layers. In this paper, we focus our attention on some of the mechanisms which can provide partial reliability: the packet-level forward error correction (PLFEC) technique in radio access network (RAN), different interleaving depths at physical layer (inter frame) and power allocation in the satellite radio interface. We rely on an end-to-end simulation platform in order to assess the performance gain achieved by these mechanisms separately, and provide clear indications for the achievable benefits at system level when some of these mechanisms act in co-ordination rather than in isolation.

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“…In addition, for video services, the network selection of cellular networks or Digital Video Broadcast -Handheld (DVB-H) for mobile users has been addressed [14]. Previous works also address the protocol design, reliable multicast, and other practical issues for homogeneous wireless networks [15], [16], [17], [18], [19]. Alrabiah and Aljadhai [20] find a low-cost multicast tree, instead of the shortest path tree, in homogeneous wireless networks.…”

Section: Introductionmentioning

confidence: 99%

Efficient Resource Allocation for Wireless Multicast

Yang

Chen

2008

IEEE Trans. on Mobile Comput.

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In this paper, we propose a bandwidth-efficient multicast mechanism for heterogeneous wireless networks. We reduce the bandwidth cost of an Internet Protocol (IP) multicast tree by adaptively selecting the cell and the wireless technology for each mobile host to join the multicast group. Our mechanism enables more mobile hosts to cluster together and leads to the use of fewer cells to save the scarce wireless bandwidth. Besides, the paths in the multicast tree connecting to the selected cells share more common links to save the wireline bandwidth. Our mechanism supports the dynamic group membership and offers mobility of group members. Moreover, our mechanism requires no modification to the current IP multicast routing protocols. We formulate the selection of the cell and the wireless technology for each mobile host in the heterogeneous wireless networks as an optimization problem. We use Integer Linear Programming to model the problem and show that the problem is NP-hard. To solve the problem, we propose a distributed algorithm based on Lagrangean relaxation and a network protocol based on the algorithm. The simulation results show that our mechanism can effectively save the wireless and wireline bandwidth as compared to the traditional IP multicast.

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Reliable multicast transport and power scheduling for MBMS delivery over 3G mobile satellite systems

Cited by 6 publications

References 4 publications

Increasing Capacity Through the Use of the Timing Channel in Power-Constrained Satellite Networks

Increasing Capacity Through the Use of the Timing Channel in Power-Constrained Satellite Networks

Impact of packet‐level FEC and existing link level reliability mechanisms to deliver MBMS content over WCDMA mobile satellite systems

Efficient Resource Allocation for Wireless Multicast

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